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8 changes: 3 additions & 5 deletions index.js
Original file line number Diff line number Diff line change
@@ -1,19 +1,17 @@
var myEach = require('./myEach');
var myMap = require('./myEach');
var myReduce = require('./myEach');
var myMap = require('./myMap');
var myReduce = require('./myReduce');
/* *********************************************************************
You can edit this file
It will make use of your code in myEach.js, myMap.js and myReduce.js
To run it on the console do: `node index.js`
***********************************************************************/

var numArray = [0,1,10,100,1000];


/* myEach */

//
// myEach(numArray, function print(element, index, arr) {
// myEach(numArray, function print(eleme nt, index, arr) {
// console.log('inside myEach', element, index, arr);
// });

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6 changes: 5 additions & 1 deletion myEach.js
Original file line number Diff line number Diff line change
@@ -1,10 +1,14 @@
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/ForEach

function myEach(arr, callback) {
for(var i = 0; i < arr.length; i++){
callback(arr[i], i, arr);
}
};

// CODE INSIDE HERE //

}


/*
Best if you don't code out here.
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7 changes: 5 additions & 2 deletions myMap.js
Original file line number Diff line number Diff line change
@@ -1,9 +1,12 @@
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Map

function myMap(arr, callback) {
var Result = [];
for(var i = 0; i < arr.length; i++){
Result.push(callback(arr[i],i,arr));
}

// CODE INSIDE HERE //

return Result;
}

/*
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21 changes: 20 additions & 1 deletion myReduce.js
Original file line number Diff line number Diff line change
@@ -1,9 +1,28 @@
// See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce for more details
// Don't worry about initialValue at first. You can always add it in later.

function myReduce(arr, callback) {
function myReduce(arr, callback,initialValue) {
var Result;
var i=0;

if(initialValue != undefined){
Result=initialValue

}
else{
Result=arr[0];
i++;
}


if(arr.length >0){
for(; i<arr.length; i++){
Result=callback(Result,arr[i],i,arr);
}
return Result;
}
// CODE INSIDE HERE //
return Result;

}

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